+sacredHarpHeadsMinor = \set shapeNoteStyles = #'#(la mi fa sol la fa sol)
+southernHarmonyHeads =
+ \set shapeNoteStyles = #'#(faThin sol laThin faThin sol laThin miThin)
+southernHarmonyHeadsMinor =
+ \set shapeNoteStyles = #'#(laThin miThin faThin sol laThin faThin sol)
+walkerHeads =
+ \set shapeNoteStyles = #'#(doWalker reWalker miWalker faWalker solFunk laWalker tiWalker)
+walkerHeadsMinor =
+ \set shapeNoteStyles = #'#(laWalker tiWalker doWalker reWalker miWalker faWalker solFunk)